Contents
1. EPCQ-A Serial Configuration Device Datasheet............................................................... 4
1.1. Supported Devices.................................................................................................4
1.2. Features...............................................................................................................4
1.3. Operating Conditions..............................................................................................5
1.3.1. Absolute Maximum Ratings......................................................................... 5
1.3.2. Recommended Operating Conditions............................................................ 5
1.3.3. DC Operating Conditions.............................................................................5
1.3.4. AC Measurement Conditions........................................................................6
1.3.5. ICC Supply Current.................................................................................... 6
1.3.6. Capacitance.............................................................................................. 6
1.4. Pin Information..................................................................................................... 7
1.4.1. Pin-Out Diagram for EPCQ4A, EPCQ16A and EPCQ32A Devices.........................7
1.4.2. Pin-Out Diagram for EPCQ64A and EPCQ128A Devices....................................7
1.4.3. EPCQ-A Device Pin Description.................................................................... 8
1.5. Device Package and Ordering Code.......................................................................... 9
1.5.1. Package................................................................................................... 9
1.5.2. Ordering Code......................................................................................... 10
1.6. Memory Array Organization................................................................................... 10
1.6.1. Address Range for EPCQ4A........................................................................10
1.6.2. Address Range for EPCQ16A......................................................................11
1.6.3. Address Range for EPCQ32A......................................................................12
1.6.4. Address Range for EPCQ64A......................................................................13
1.6.5. Address Range for EPCQ128A.................................................................... 14
1.7. Memory Operations..............................................................................................16
1.7.1. Timing Requirements................................................................................16
1.8. Status Register....................................................................................................17
1.8.1. Read Status Operation..............................................................................17
1.8.2. Write Status Operation............................................................................. 20
1.9. Summary of Operation Codes................................................................................ 21
1.9.1. Read Bytes Operation (03h)...................................................................... 21
1.9.2. Fast Read Operation (0Bh)........................................................................ 22
1.9.3. Extended Dual Input Fast Read Operation (BBh)...........................................23
1.9.4. Extended Quad Input Fast Read Operation (EBh)..........................................23
1.9.5. Read Device Identification Operation (9Fh)..................................................24
1.9.6. Read Silicon Identification Operation (ABh)..................................................24
1.9.7. Write Enable Operation (06h).................................................................... 25
1.9.8. Write Disable Operation (04h)................................................................... 26
1.9.9. Write Bytes Operation (02h)......................................................................26
1.9.10. Quad Input Fast Write Bytes Operation (32h).............................................27
1.9.11. Erase Bulk Operation (C7h)..................................................................... 27
1.9.12. Erase Sector Operation (D8h).................................................................. 28
1.9.13. Erase Subsector Operation (20h)..............................................................29
1.9.14. Read SFDP Register Operation (5Ah).........................................................29
1.10. Power Mode.......................................................................................................30
1.11. Timing Information.............................................................................................31
1.11.1. Write Operation Timing........................................................................... 31
1.11.2. Read Operation Timing............................................................................32
Contents
EPCQ-A Serial Configuration Device Datasheet
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